21077910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33457}}^1$

素因数の和:33477

約数の個数: 48

約数和(自身を含む): 62633376

約数和(自身を除く): 41555466

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33457, 66914, 100371, 167285, 200742, 234199, 301113, 334570, 468398, 501855, 602226, 702597, 1003710, 1170995, 1405194, 1505565, 2107791, 2341990, 3011130, 3512985, 4215582, 7025970, 10538955, 21077910]

約数ペア:

[(1, 21077910), (2, 10538955), (3, 7025970), (5, 4215582), (6, 3512985), (7, 3011130), (9, 2341990), (10, 2107791), (14, 1505565), (15, 1405194), (18, 1170995), (21, 1003710), (30, 702597), (35, 602226), (42, 501855), (45, 468398), (63, 334570), (70, 301113), (90, 234199), (105, 200742), (126, 167285), (210, 100371), (315, 66914), (630, 33457)]